| HSP75 protects against cardiac hypertrophy and fibrosis. | |
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MedLine Citation:
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PMID: 21381076 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Cardiac hypertrophy, a major determinant of heart failure, is associated with heat shock proteins (HSPs). HSP75 has been reported to protect against environmental stresses; however, its roles in cardiac hypertrophy remain unclear. Here, we generated cardiac-specific inducible HSP75 transgenic mice (TG) and cardiac hypertrophy was developed at 4 weeks after aortic banding in TG mice and wild-type littermates. The results revealed that over expression of HSP75 prevented cardiac hypertrophy and fibrosis as assessed by heart weight/body weight ratio, heart weight/tibia length ratio, echocardiographic and hemodynamic parameters, cardiomyocyte width, left ventricular collagen volume, and gene expression of hypertrophic markers. Further studies showed that overexpression of HSP75 inhibited the activation of TAK/P38, JNK, and AKT signaling pathways. Thus, HSP75 likely reduces the hypertrophy and fibrosis induced by pressure overload through blocking TAK/P38, JNK, and AKT signaling pathways. J. Cell. Biochem. © 2011 Wiley-Liss, Inc. |
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Authors:
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Yan Zhang; Ding-Sheng Jiang; Ling Yan; Kuo-Ju Cheng; Zhou-Yan Bian; Guo-Sheng Lin |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-4 |
Journal Detail:
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Title: Journal of cellular biochemistry Volume: - ISSN: 1097-4644 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8205768 Medline TA: J Cell Biochem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Wiley-Liss, Inc. |
Affiliation:
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Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, PR China; Cardiovascular Research Institute of Wuhan University, Wuhan 430060, PR China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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